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How to find the area and circumference of a circle given the radius?

How to find the area and circumference of a circle given the radius?
asked 173k views
2 votes
How to find the area and circumference of a circle given the radius?

asked
User Gabriel Goncalves
by
7.5k points

1 Answer

3 votes
These are the formulas you need to know

r=radius

Area: A=
\pir^2

Circumference: C=
\pi2(r)
answered
User Alfred Zhong
by
8.2k points
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